Reliable todo panel for DeepSeek Harness (dsh) web

Key features

• Checkpoint resume — the official todos projection is cleared at turn/start (by design)
• Unofficiala community project, not a DeepSeek product.
• Datathe mirror projection follows official todo/write events (last-wins whole list), is never cleared at turn/start, and persists with the session projection cache — recovery after restart yields the "last valid list"
• Pure local logiczero model calls, zero token cost
• the plugin's mirror projection todo-guard/todos is not: the full list persists across turns, session switches and dsh restarts in the review dock (also the fallback when the official panel fails to render after a restart)